Marija Nielsen, FNP
NPI 1184090821 · Family Nurse Practitioner · San Antonio, TX
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marija Nielsen, FNP is a Family Nurse Practitioner provider in San Antonio, TX (NPI 1184090821).
Provider details
- NPI number
- 1184090821
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- No
- License
- AP129546 (TX)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
10 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Additional practice locations (1)
- 903 W Martin St # Ms 49-2San Antonio, TX 78207-0903Phone: (201) 358-3441Fax: (210) 358-5344
Registry dates
- Enumerated
- 2015-08-17
- Last updated
- 2024-12-03
- Certified
- 2024-12-03
Frequently asked questions
- What is Marija Nielsen's NPI number?
- Marija Nielsen's National Provider Identifier (NPI) is 1184090821, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marija Nielsen's specialty?
- Marija Nielsen is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Marija Nielsen located?
- Marija Nielsen's practice location on file with NPPES is 14100 San Pedro Ave, San Antonio, TX 78232-4361.
- What is Marija Nielsen's phone number?
- The practice phone number listed in the NPPES registry for Marija Nielsen is (210) 281-8669.
- Does Marija Nielsen accept Medicare?
- Marija Nielsen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marija Nielsen's NPI active?
- Yes — Marija Nielsen's NPI (1184090821) is active in the NPPES registry as of the last update on 2024-12-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.